A dead carp floats in water near the shore at Big Creek State Park on Sept. 10 in Polk City, Iowa. Like many agricultural states, Iowa is working with the EPA to enforce clean-water regulations amid degradation from manure spills and farm-field runoff. Charlie Neibergall/AP hide caption

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Charlie Neibergall/AP

The Salt

How Mass-Produced Meat Turned Phosphorus Into Pollution

Phosphorus is one of the nutrients that plants need to grow, and for most of human history, farmers always needed more of it. But excess phosphorus, either from manure or manufactured fertilizer, can run off into streams and lakes and become an ecological disaster.

Man from Anamnesis The Mattson 2
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All the Friends You Can Eat

A dead carp floats in water near the shore at Big Creek State Park on Sept. 10 in Polk City, Iowa. Like many agricultural states, Iowa is working with the EPA to enforce clean-water regulations amid degradation from manure spills and farm-field runoff. Charlie Neibergall/AP hide caption

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Charlie Neibergall/AP

How Mass-Produced Meat Turned Phosphorus Into Pollution

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Phase Shifter I'm Going Through Lord Newborn & The Magic Skulls
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Rainy Day Dog Lord Newborn & The Magic Skulls
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My Woman's Head [Instrumental] [#][Instrumental] Sly & the Family Stone
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O Mexico Dosh
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Everybody Cheer Up Song Dosh
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With local cod so scarce, Chef Toby Hill of Lyric Restaurant in Yarmouth Port, Mass., tries out a dogfish salad — served here with garlic aioli on toast — instead. Dogfish is still plentiful in New England waters, but wholesale fisheries say there's not much demand for it in the U.S. Christine Hochkeppel/Courtesy of Cape Cod Times hide caption

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Why The Cod On Cape Cod Now Comes From Iceland

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Boatman Clive Carroll
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Evasion Hijaz
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Low Country Cupola Erik Friedlander
Block Ice and Propane Erik Friedlander